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1420310239 is a prime number
BaseRepresentation
bin101010010101000…
…0011011011011111
310122222120020100221
41110222003123133
510402044411424
6352534102211
750124303115
oct12452033337
93588506327
101420310239
11669801117
123377aa967
1319834017a
14d68bbab5
1584a579e4
hex54a836df

1420310239 has 2 divisors, whose sum is σ = 1420310240. Its totient is φ = 1420310238.

The previous prime is 1420310209. The next prime is 1420310257. The reversal of 1420310239 is 9320130241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1420310239 - 25 = 1420310207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420310209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710155119 + 710155120.

It is an arithmetic number, because the mean of its divisors is an integer number (710155120).

Almost surely, 21420310239 is an apocalyptic number.

1420310239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420310239 is an equidigital number, since it uses as much as digits as its factorization.

1420310239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1420310239 is about 37687.0035821369. The cubic root of 1420310239 is about 1124.0727144757.

It can be divided in two parts, 14203 and 10239, that added together give a palindrome (24442).

The spelling of 1420310239 in words is "one billion, four hundred twenty million, three hundred ten thousand, two hundred thirty-nine".